Dual flywheel designed for controlled performance for quicker response with every step.19 x 49 large heavy duty deck, designed to stand up to low to high intensity workouts. Static incline position of 10 degrees is optimal for building cardiovascular fitness. HI- Performance Trainer has 4 additional levels up to 14 degree incline to improve strength, and speed. Heavy Duty frame made with high grade steel with a maximum weight capacity of 440 pounds. Solid steel dual fly wheels for maximum velocity and minimal maintenance. Large tablet holder conveniently located for easy access. Storing is easy with the foldable design with no power chords to place virtually anywhere in the home. Integrated transportation wheels make moving simple and convenient.